BOS Berend van den · HET WITTE HUIS
108rank
+48.3Butler · 100 bds
+0.48per board
±4.7swing
+0.31vs par /bd · #179/552
+0.37adjusted /bd
by round
vs par split: bidding -0.06 · play +0.37
Strength of schedule: opponents averaged -0.11/bd (an easy draw) → opponent-adjusted +0.37/bd
Card play — on target: opening leads 70.0% #467 of 551 · declarer play 75.0% #209 of 551 · defence 94.1% #20 of 552
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 83.3% (6) | 64.3% (14) |
| Declarer play | 71.4% (7) | 76.9% (13) |
| Defence | 88.2% (17) | 97.1% (34) |
Opening leads by suit led: ♠ 25.0% (4) · ♥ 100.0% (5) · ♦ 50.0% (4) · ♣ 85.7% (7)
vs par by strain: NT +2.10 (31) · a suit -0.49 (69)
vs par by level: part-score +0.05 (41) · game +1.08 (50) · slam -2.78 (9)
By role: declaring +0.54/bd (-1.88 vs par · 49) · defending +0.43/bd (+2.41 vs par · 51)
By vulnerability: vulnerable +0.27/bd (-0.10 vs par · 52) · not vulnerable +0.71/bd (+0.75 vs par · 48)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | J.Lankveld | J.Mahaffey – T.Forrester | Open | 10 | -3.5 | -0.35 | -0.50 |
| Round 2 | J.Lankveld | A.Babsch – A.Lindermann | Open | 10 | +4.4 | +0.44 | -1.30 |
| Round 3 | J.Lankveld | J.Allerton – T.Townsend | Closed | 10 | +15.4 | +1.54 | +3.40 |
| Round 4 | J.Lankveld | E.Morken – M.Bartnes | Closed | 10 | +16.4 | +1.64 | +2.00 |
| Round 5 | J.Lankveld | S.Vaidya – A.Goel | Open | 10 | -20.2 | -2.02 | -1.40 |
| Round 6 | J.Lankveld | F.Falay – M.Copur | Closed | 10 | +22.9 | +2.29 | +1.70 |
| Round 7 | J.Lankveld | S.Dinkin – C.Tuncok | Open | 10 | +4.2 | +0.42 | +0.00 |
| Round 8 | J.Lankveld | F.Svindahl – J.Solli Hansen | Closed | 10 | +1.7 | +0.17 | +1.00 |
| Round 9 | J.Lankveld | J.Backes – I.Dewasme | Closed | 10 | +24.3 | +2.43 | +3.10 |
| Round 10 | J.Lankveld | A.Versace – F.Angelini | Open | 10 | -17.3 | -1.73 | -4.90 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +12.1 | Round 9 | CIRCUS | 23 | 3NTx | ♠Q | +2 | +11 |
| +12.1 | Round 10 | ANGELINI BRIDGE TEAM | 7 | 6NT | ♦7 | -1 | +13 |
| +12.0 | Round 6 | SANSAR | 22 | 5♣x | ♥K | = | +12 |
| +9.6 | Round 6 | SANSAR | 30 | 3NT | ♠Q | +3 | +11 |
| +9.5 | Round 3 | BADGER T | 28 | 3NTx | ♥K | -2 | +12 |
| +8.4 | Round 9 | CIRCUS | 26 | 3NT | ♥7 | -1 | +12 |
| +7.3 | Round 4 | MABO FROJ | 8 | 3NT | ♠10 | = | +7 |
| +7.0 | Round 7 | TEXAN AND THE TURKS | 3 | 5♠ | ♥2 | -1 | +10 |
| +6.9 | Round 4 | MABO FROJ | 7 | 3♣ | ♠K | -2 | +8 |
| +6.5 | Round 3 | BADGER T | 26 | 2NT | ♥9 | -2 | +13 |
| +6.5 | Round 8 | DOCTOR POLAND | 13 | 4♠ | ♦K | = | +3 |
| +6.0 | Round 7 | TEXAN AND THE TURKS | 1 | 3NTx | ♥2 | -2 | +9 |
| +5.7 | Round 1 | MAHAFFEY | 2 | 3NT | ♥5 | +2 | +16 |
| +5.7 | Round 2 | AUSTRIA OPEN | 18 | 6NT | ♥2 | = | +0 |
| +5.6 | Round 2 | AUSTRIA OPEN | 11 | 1NT | ♣2 | -3 | +7 |
| +5.5 | Round 5 | DAR INDIA | 12 | 3NT | ♣K | -1 | +12 |
| +5.1 | Round 4 | MABO FROJ | 5 | 6♥ | ♥10 | = | +0 |
| +4.9 | Round 8 | DOCTOR POLAND | 17 | 2♠ | ♥9 | = | +9 |
| +4.9 | Round 9 | CIRCUS | 27 | 6♦ | ♣A | = | +3 |
| +4.7 | Round 9 | CIRCUS | 29 | 4♠ | ♥K | -1 | +6 |
| +4.4 | Round 1 | MAHAFFEY | 4 | 4♠ | ♦Q | -2 | +8 |
| +3.8 | Round 1 | MAHAFFEY | 1 | 4♥ | ♠7 | = | +1 |
| +3.7 | Round 7 | TEXAN AND THE TURKS | 7 | 3♠ | ♦K | -1 | +6 |
| +3.3 | Round 9 | CIRCUS | 24 | 3NT | ♦K | -1 | +4 |
| +3.2 | Round 5 | DAR INDIA | 20 | 6♣ | ♥7 | +1 | -13 |
| +2.8 | Round 10 | ANGELINI BRIDGE TEAM | 1 | 4♣ | ♠9 | = | +1 |
| +2.7 | Round 2 | AUSTRIA OPEN | 13 | 2♠ | ♣3 | -1 | -5 |
| +2.7 | Round 7 | TEXAN AND THE TURKS | 6 | 3NT | ♦Q | = | -1 |
| +2.4 | Round 9 | CIRCUS | 21 | 3♥ | ♠A | -1 | +3 |
| +2.3 | Round 1 | MAHAFFEY | 5 | 2♠ | ♦2 | = | +1 |
| +2.1 | Round 3 | BADGER T | 21 | 4♦ | ♣9 | -1 | -1 |
| +2.1 | Round 3 | BADGER T | 27 | 5♣ | ♠5 | -1 | +10 |
| +2.1 | Round 10 | ANGELINI BRIDGE TEAM | 2 | 5♦x | ♣A | = | -9 |
| +2.0 | Round 2 | AUSTRIA OPEN | 15 | 3♦ | ♠A | = | +0 |
| +2.0 | Round 4 | MABO FROJ | 3 | 4♠ | ♣3 | -1 | +5 |
| +1.9 | Round 2 | AUSTRIA OPEN | 19 | 4♠ | ♦2 | -1 | +6 |
| +1.7 | Round 6 | SANSAR | 21 | 1♠ | ♦3 | +2 | +1 |
| +1.6 | Round 6 | SANSAR | 29 | 3♣ | ♣4 | +3 | +10 |
| +1.6 | Round 8 | DOCTOR POLAND | 12 | 3NT | ♦K | +2 | +1 |
| +1.4 | Round 2 | AUSTRIA OPEN | 20 | 4♠ | ♦A | +1 | +0 |
| +1.4 | Round 6 | SANSAR | 25 | 3♦x | ♣5 | -1 | -1 |
| +1.4 | Round 10 | ANGELINI BRIDGE TEAM | 6 | 1NT | ♥9 | +2 | +1 |
| +1.0 | Round 6 | SANSAR | 28 | 6♠ | ♥K | = | -11 |
| +0.7 | Round 5 | DAR INDIA | 15 | 2♠ | ♣A | = | -7 |
| +0.6 | Round 6 | SANSAR | 23 | 3♣ | ♦A | -1 | +0 |
| +0.5 | Round 7 | TEXAN AND THE TURKS | 2 | 1NT | ♦10 | = | +0 |
| +0.4 | Round 3 | BADGER T | 24 | 1NT | ♦Q | = | -1 |
| +0.1 | Round 4 | MABO FROJ | 1 | 4♠ | ♣K | +1 | +0 |
| +0.1 | Round 4 | MABO FROJ | 6 | 2♥ | ♦3 | -1 | +0 |
| +0.0 | Round 4 | MABO FROJ | 2 | 3♦ | ♠4 | +1 | +0 |
| -0.1 | Round 1 | MAHAFFEY | 3 | 2♥ | ♦J | = | +1 |
| -0.1 | Round 3 | BADGER T | 25 | 3NT | ♣4 | +1 | +1 |
| -0.2 | Round 5 | DAR INDIA | 17 | 3♦ | ♣10 | -2 | +1 |
| -0.2 | Round 8 | DOCTOR POLAND | 18 | 2♠ | ♣3 | +1 | +0 |
| -0.3 | Round 8 | DOCTOR POLAND | 11 | 4♠ | ♦10 | -2 | +6 |
| -0.3 | Round 8 | DOCTOR POLAND | 14 | 2♥ | ♦8 | +1 | -1 |
| -0.5 | Round 1 | MAHAFFEY | 6 | 3♣ | ♣2 | +1 | -9 |
| -0.5 | Round 3 | BADGER T | 22 | 3NT | ♠9 | +2 | -1 |
| -0.5 | Round 4 | MABO FROJ | 10 | 2♥ | ♦6 | +1 | +0 |
| -0.7 | Round 2 | AUSTRIA OPEN | 14 | 3NT | ♥2 | +2 | -1 |
| -0.7 | Round 8 | DOCTOR POLAND | 15 | 2♥ | ♦K | = | -7 |
| -0.7 | Round 10 | ANGELINI BRIDGE TEAM | 3 | 4♠x | ♣K | -3 | -12 |
| -0.8 | Round 6 | SANSAR | 27 | 3♣ | ♥A | -2 | +1 |
| -0.9 | Round 3 | BADGER T | 29 | 2NT | ♣4 | +1 | +0 |
| -0.9 | Round 9 | CIRCUS | 30 | 5♣ | ♠Q | -2 | +0 |
| -1.1 | Round 3 | BADGER T | 30 | 4♥ | ♥8 | = | +0 |
| -1.2 | Round 9 | CIRCUS | 28 | 3♣ | ♠2 | -2 | +0 |
| -1.3 | Round 4 | MABO FROJ | 9 | 4♥ | ♣7 | +1 | +0 |
| -1.3 | Round 8 | DOCTOR POLAND | 20 | 4♥ | ♠K | = | +1 |
| -1.3 | Round 10 | ANGELINI BRIDGE TEAM | 5 | 4♠ | ♥J | -2 | -5 |
| -1.5 | Round 2 | AUSTRIA OPEN | 12 | 2♥ | ♦9 | -1 | -2 |
| -1.5 | Round 7 | TEXAN AND THE TURKS | 5 | 2♠ | ♣A | +2 | +1 |
| -1.7 | Round 7 | TEXAN AND THE TURKS | 9 | 4♥ | ♣2 | +2 | -1 |
| -1.8 | Round 6 | SANSAR | 24 | 3♥x | ♣K | -3 | -1 |
| -2.2 | Round 1 | MAHAFFEY | 10 | 3♣ | ♣2 | = | +0 |
| -2.2 | Round 5 | DAR INDIA | 13 | 3NT | ♥6 | +2 | +0 |
| -2.2 | Round 7 | TEXAN AND THE TURKS | 8 | 2♥ | ♣Q | +2 | -1 |
| -2.2 | Round 9 | CIRCUS | 22 | 6♥ | ♥8 | = | +0 |
| -2.4 | Round 6 | SANSAR | 26 | 2♠ | ♦6 | -1 | -5 |
| -2.5 | Round 2 | AUSTRIA OPEN | 17 | 4♥ | ♣Q | = | -7 |
| -2.6 | Round 3 | BADGER T | 23 | 5♦ | ♥2 | = | +1 |
| -3.3 | Round 4 | MABO FROJ | 4 | 3NT | ♦5 | = | +0 |
| -3.3 | Round 5 | DAR INDIA | 16 | 4♥ | ♣4 | -1 | +1 |
| -3.4 | Round 7 | TEXAN AND THE TURKS | 4 | 2♦ | ♣K | = | -6 |
| -3.4 | Round 8 | DOCTOR POLAND | 16 | 4♠x | ♣7 | -2 | -2 |
| -3.7 | Round 5 | DAR INDIA | 11 | 2♠ | ♣2 | -1 | -5 |
| -3.9 | Round 5 | DAR INDIA | 18 | 3NT | ♣5 | -1 | -10 |
| -4.7 | Round 5 | DAR INDIA | 19 | 5♣x | ♥A | +1 | +7 |
| -5.1 | Round 8 | DOCTOR POLAND | 19 | 3NT | ♠4 | +1 | +0 |
| -5.2 | Round 1 | MAHAFFEY | 8 | 2♥ | ♠K | -3 | -2 |
| -5.5 | Round 10 | ANGELINI BRIDGE TEAM | 4 | 3NT | ♣Q | -1 | -12 |
| -5.7 | Round 1 | MAHAFFEY | 9 | 3NT | ♠9 | -2 | -13 |
| -6.0 | Round 1 | MAHAFFEY | 7 | 3♠ | ♦Q | -5 | -8 |
| -6.6 | Round 10 | ANGELINI BRIDGE TEAM | 9 | 5♣x | ♥10 | = | -4 |
| -6.9 | Round 7 | TEXAN AND THE TURKS | 10 | 6♥ | ♣5 | -1 | -17 |
| -7.2 | Round 9 | CIRCUS | 25 | 3NT | ♠3 | -2 | -8 |
| -8.5 | Round 10 | ANGELINI BRIDGE TEAM | 8 | 3NT | ♠J | = | -7 |
| -10.2 | Round 2 | AUSTRIA OPEN | 16 | 3NT | ♣3 | -1 | -11 |
| -11.6 | Round 5 | DAR INDIA | 14 | 6♣ | ♠A | = | +0 |
| -13.1 | Round 10 | ANGELINI BRIDGE TEAM | 10 | 4♥xx | ♠8 | = | -15 |